Utility box for bicycles



FIG. 1 is a side elevation view of a utility box for bicycles showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a side elevation view of FIG. 1 on a reduced scale shown mounted on a bicycle in broken lines for illustrative purposes only and forming no part of the claimed design.

The side opposite to that shown in FIGS. 1 and 6 of the drawing is a mirror image of that shown. 

The ornamental design for a utility box for bicycles, as shown and described. 